// 随机生成汉字方法
export function randomText () {
  let _len = 2,
    k=0,
    _str = "",
    _base = 20000,
    _range = 1000;
  while(k < _len){
    k++;
    let _lower = parseInt(Math.random() * _range);
    _str += String.fromCharCode(_base + _lower);
  }
  return _str;
}